Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.

Sheave Ø (mm)40 mm

Sheave Ø (in)1 9/16 in

Maximum line Ø (mm)10 mm

Maximum line Ø (in) 3/8 in

Maximum working load (kg)220 kg

Maximum working load (lb)485 lb

DO NOT use Harken equipment for human suspension unless product is specifically certified and labeled for such use.